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https://www.readbyqxmd.com/read/28069045/improving-nursing-home-care-through-feedback-on-performance-data-inform-protocol-for-a-cluster-randomized-trial
#1
Matthias Hoben, Peter G Norton, Liane R Ginsburg, Ruth A Anderson, Greta G Cummings, Holly J Lanham, Janet E Squires, Deanne Taylor, Adrian S Wagg, Carole A Estabrooks
BACKGROUND: Audit and feedback is effective in improving the quality of care. However, methods and results of international studies are heterogeneous, and studies have been criticized for a lack of systematic use of theory. In TREC (Translating Research in Elder Care), a longitudinal health services research program, we collect comprehensive data from care providers and residents in Canadian nursing homes to improve quality of care and life of residents, and quality of worklife of caregivers...
January 10, 2017: Trials
https://www.readbyqxmd.com/read/28065337/profound-t-cell-lymphopenia-associated-with-prenatal-exposure-to-purine-antagonists-detected-by-trec-newborn-screening
#2
Caroline Y Kuo, Maria I Garcia-Lloret, Patricia Slev, John F Bohnsack, Karin Chen
No abstract text is available yet for this article.
January 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28056841/thymus-activity-measured-by-t-cell-receptor-excision-circles-in-patients-with-different-severities-of-respiratory-syncytial-virus-infection
#3
Kiran Aftab Gul, Tonje Sonerud, Hans O Fjærli, Britt Nakstad, Tore Gunnar Abrahamsen, Christopher S Inchley
BACKGROUND: Respiratory syncytial virus (RSV) infection is an important cause of hospitalization in previously healthy infants. Immunological mechanisms predisposing infants to severe disease are poorly understood. Early biomarkers for disease severity may assist clinical decisions. We investigated T-cell receptor excision circles (TREC), episomal DNA made during thymic T-cell receptor rearrangement, and a marker for thymus activity, both during disease and in neonatal screening cards as a risk factor for RSV disease severity...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28010810/conventional-and-novel-body-temperature-measurement-during-rest-and-exercise-induced-hyperthermia
#4
Colin Towey, Chris Easton, Robert Simpson, Charles Pedlar
Despite technological advances in thermal sensory equipment, few core temperature (TCORE) measurement techniques have met the established validity criteria in exercise science. Additionally, there is debate as to what method serves as the most practically viable, yet upholds the proposed measurement accuracy. This study assessed the accuracy of current and novel TCORE measurement techniques in comparison to rectal temperature (TREC) as a reference standard. Fifteen well-trained subjects (11 male, 4 female) completed 60min of exercise at an intensity equating to the lactate threshold; measured via a discontinuous exercise test...
January 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27998477/advanced-portrayal-of-smil-coating-by-allying-cze-performance-with-in-capillary-topographic-and-charge-related-surface-characterization
#5
Lorenz G Stock, Michael Leitner, Lukas Traxler, Klaus Bonazza, Laurent Leclercq, Hervé Cottet, Gernot Friedbacher, Andreas Ebner, Hanno Stutz
A successive multiple ionic polymer layer (SMIL) coating composed of four layers improved the capillary electrophoretic separation of a recombinant major birch pollen allergen and closely related variants when poly(acrylamide-co-2-acrylamido-2-methyl-1-propansulfonate) (55% PAMAMPS) replaced dextran sulfate as terminal SMIL layer. 55% PAMAMPS decelerated the electroosmotic flow (EOF) due to its lower charge density. Atomic force microscopy (AFM) was used to investigate SMIL properties directly on the inner capillary surface and to relate them to EOF measurements and results of associated CZE separations of a mixture of model proteins and peptides that were performed in the same capillary...
January 25, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27974734/anti-biofilm-and-anti-%C3%AE-lactamase-activities-of-burdock-root-extract-and-chlorogeneic-acid-against-klebsiella-pneumoniae
#6
Satish Kumar Rajasekharan, Samiraj Ramesh, Ann Susan Satish, Jintae Lee
Small phytochemicals have been successfully adopted as antibacterial chemotherapies and are being increasingly viewed as potential antibiofilm agents. Some of these molecules are known to repress biofilm and toxin production by certain bacterial and yeast pathogens, but information is lacking with regard to the genes allied with biofilm formation. The present study was performed to investigate the inhibitory effect of burdock root extract (BRE) and of chlorogenic acid (CGA; a component of BRE) on clinical isolates of Klebsiella pneumoniae...
December 14, 2016: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27916705/newborn-screening-for-severe-combined-immunodeficiency-using-a-novel-and-simplified-method-to-measure-t-cell-excision-circles-trec
#7
Laura Tagliaferri, Joachim B Kunz, Margit Happich, Susanna Esposito, Thomas Bruckner, Daniel Hübschmann, Jürgen G Okun, Georg F Hoffmann, Ansgar Schulz, Judit Kappe, Carsten Speckmann, Martina U Muckenthaler, Andreas E Kulozik
The prognosis of children with severe combined immunodeficiency (SCID) depends on a presymptomatic diagnosis and early treatment before complications occur. We established and tested a simplified, practical and economic newborn screening method based on the quantification of T-cell receptor excision circles (TRECs) on dried blood spots (DBSs) through qPCR. Our method was validated by the analysis of 11 positive controls, which all showed an absence of TRECs, thus yielding a sensitivity of 100%. Further, we analyzed 6034 anonymized newborns of whom 6031 (99,95%) showed a normal TREC qPCR with a median of 600 estimated TREC copies/1...
December 2, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27902982/limitation-of-simultaneous-analysis-of-t-cell-receptor-and-%C3%AE%C2%BA-deleting-recombination-excision-circles-based-on-multiplex-real-time-polymerase-chain-reaction-in-common-variable-immunodeficiency-patients
#8
Faranaz Atschekzei, Fareed Ahmad, Torsten Witte, Roland Jacobs, Reinhold E Schmidt
AIM OF STUDY: We used a triplex real-time polymerase chain reaction (PCR) to classify our common variable immunodeficiency (CVID) patients into distinct groups according to the amount of their T-cell receptor excision circles (TRECs) and κ-deleting recombination excision circles (KRECs). MATERIALS AND METHODS: TREC and KREC analysis was performed using a multiplex real-time PCR assay. The T- and B-lymphocyte subsets were measured by flow cytometry. RESULTS: The copy number of TRECs and KRECs was significantly reduced in CVID patients compared to healthy controls...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27880933/immunological-effects-of-nilotinib-prophylaxis-after-allogeneic-stem-cell-transplantation-in-patients-with-advanced-chronic-myeloid-leukemia-or-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia
#9
Nira Varda-Bloom, Ivetta Danylesko, Roni Shouval, Shiran Eldror, Atar Lev, Jacqueline Davidson, Esther Rosenthal, Yulia Volchek, Noga Shem-Tov, Ronit Yerushalmi, Avichai Shimoni, Raz Somech, Arnon Nagler
Allogeneic stem cell transplantation remains the standard treatment for resistant advanced chronic myeloid leukemia and Philadelphia chromosome-positive acute lymphoblastic leukemia. Relapse is the major cause of treatment failure in both diseases. Post-allo-SCT administration of TKIs could potentially reduce relapse rates, but concerns regarding their effect on immune reconstitution have been raised. We aimed to assess immune functions of 12 advanced CML and Ph+ ALL patients who received post-allo-SCT nilotinib...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27873105/newborn-screening-for-severe-primary-immunodeficiency-diseases-in-sweden-a-2-year-pilot-trec-and-krec-screening-study
#10
Michela Barbaro, Annika Ohlsson, Stephan Borte, Susanne Jonsson, Rolf H Zetterström, Jovanka King, Jacek Winiarski, Ulrika von Döbeln, Lennart Hammarström
Newborn screening for severe primary immunodeficiencies (PID), characterized by T and/or B cell lymphopenia, was carried out in a pilot program in the Stockholm County, Sweden, over a 2-year period, encompassing 58,834 children. T cell receptor excision circles (TREC) and kappa-deleting recombination excision circles (KREC) were measured simultaneously using a quantitative PCR-based method on DNA extracted from dried blood spots (DBS), with beta-actin serving as a quality control for DNA quantity. Diagnostic cutoff levels enabling identification of newborns with milder and reversible T and/or B cell lymphopenia were also evaluated...
November 21, 2016: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/27864993/thyrotropin-alters-t-cell-development-in-the-thymus-in-subclinical-hypothyroidism-mouse-model
#11
Kunpeng Wu, Meng Zhao, Chunyan Ma, Haiqing Zhang, Xiaojing Liu, Lingyan Zhou, Jiajun Zhao, Ling Gao, Dan Wang
Subclinical hypothyroidism (SCH) is highly prevalent in the general population and is associated with potential deleterious effects. Although developing T cells express thyroid stimulating hormone receptor (TSH-R), the changes of T cell development in thymus in SCH have not been fully clarified. SCH mouse model, which is characterized by elevated serum TSH but similar thyroid hormone levels, were used to study the role of TSH in T cell development. Thymus weight of SCH mice increased 18% compared with controls...
November 16, 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27857951/validation-of-an-ingestible-temperature-data-logging-and-telemetry-system-during-exercise-in-the-heat
#12
Gavin J S Travers, David S Nichols, Abdulaziz Farooq, Sébastien Racinais, Julien D Périard
Aim: Intestinal temperature telemetry systems are promising monitoring and research tools in athletes. However, the additional equipment that must be carried to continuously record temperature data limits their use to training. The purpose of this study was to assess the validity and reliability of a new gastrointestinal temperature data logging and telemetry system (e-Celsius™) during water bath experimentation and exercise trials. Materials and Methods: Temperature readings of 23 pairs of e-Celsius (TeC) and VitalSense (TVS) ingestible capsules were compared to rectal thermistor responses (Trec) at 35, 38...
April 2016: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/27824893/an-age-associated-decline-in-thymic-output-differs-in-dog-breeds-according-to-their-longevity
#13
Angela Holder, Stephanie Mella, Donald B Palmer, Richard Aspinall, Brian Catchpole
The age associated decline in immune function is preceded in mammals by a reduction in thymic output. Furthermore, there is increasing evidence of a link between immune competence and lifespan. One approach to determining thymic output is to quantify signal joint T cell receptor excision circles (sj-TRECs), a method which has been developed and used in several mammalian species. Life expectancy and the rate of aging vary in dogs depending upon their breed. In this study, we quantified sj-TRECs in blood samples from dogs of selected breeds to determine whether there was a relationship between longevity and thymic output...
2016: PloS One
https://www.readbyqxmd.com/read/27789773/effect-of-hypohydration-on-thermoregulatory-responses-in-males-with-low-and-high-body-fat-exercising-in-the-heat
#14
Matthew A Tucker, Aaron R Caldwell, Cory L Butts, Forrest B Robinson, Haley C Reynebeau, Stavros A Kavouras, Brendon P McDermott, Tyrone Anthony Washington, Ronna C Turner, Matthew S Ganio
: It is unclear if males with low body fat (LO-BF) have impaired thermoregulation during exercise heat stress compared to those with high body fat (HI-BF) when euhydration (EU) is maintained. Further, in LO-BF individuals, hypohydration (HY) impairs thermoregulatory responses during exercise heat stress, but it is unknown if this occurs in HI-BF counterparts. PURPOSE: To test the hypotheses that males with HI-BF have impaired thermoregulatory responses to exercise heat-stress, and HY further exacerbates these impairments versus LO-BF...
October 27, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27777141/angiogenic-factors-correlate-with-t-cell-immune-reconstitution-and-clinical-outcomes-after-double-unit-umbilical-cord-blood-transplantation-in-adults
#15
Ioannis Politikos, Haesook T Kim, Theodoros Karantanos, Julia Brown, Sean McDonough, Lequn Li, Corey Cutler, Joseph H Antin, Karen K Ballen, Jerome Ritz, Vassiliki A Boussiotis
Umbilical cord blood (UCB) is a valuable graft source for allogeneic hematopoietic stem cell transplantation (HSCT) in patients who lack adult donors. UCB transplantation (UCBT) in adults results in delayed immune reconstitution, leading to high infection-related morbidity and mortality. Angiogenic factors and markers of endothelial dysfunction have biologic and prognostic significance in conventional HSCT, but their role in UCBT has not been investigated. Furthermore, the interplay between angiogenesis and immune reconstitution has not been studied...
January 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27746351/kinetic-behaviour-of-recombinant-fusarium-solani-lipases-using-monomolecular-films-effect-of-the-heterologous-expression
#16
Raida Jallouli, Madiha Bouali, Youssef Gargouri, Sofiane Bezzine
Two lipases from Fusarium solani, FSL and FSL2, were efficiently expressed in Pichia pastoris. To check the influence of the expression on interfacial properties of FSL and to study kinetic properties of FSL2, interfacial parameters of FSL2, native FSL, untagged recombinant and tagged recombinant forms of FSL were compared using the monomolecular film technique. Kinetic study on the dependence of the stereoselectivity of these lipases on the surface pressure was performed using three dicaprin isomers spread in the form of monomolecular films at the air-water interface...
January 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27727179/t-cell-receptor-excision-circle-trec-monitoring-after-allogeneic-stem-cell-transplantation-a-predictive-marker-for-complications-and-clinical-outcome
#17
REVIEW
Ahmed Gaballa, Mikael Sundin, Arwen Stikvoort, Muhamed Abumaree, Mehmet Uzunel, Darius Sairafi, Michael Uhlin
Allogeneic hematopoietic stem cell transplantation (HSCT) is a well-established treatment modality for a variety of malignant diseases as well as for inborn errors of the metabolism or immune system. Regardless of disease origin, good clinical effects are dependent on proper immune reconstitution. T cells are responsible for both the beneficial graft-versus-leukemia (GVL) effect against malignant cells and protection against infections. The immune recovery of T cells relies initially on peripheral expansion of mature cells from the graft and later on the differentiation and maturation from donor-derived hematopoietic stem cells...
October 11, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27699228/decreases-in-thymopoiesis-of-astronauts-returning-from-space-flight
#18
Cara L Benjamin, Raymond P Stowe, Lisa St John, Clarence F Sams, Satish K Mehta, Brian E Crucian, Duane L Pierson, Krishna V Komanduri
Following the advent of molecular assays that measure T cell receptor excision circles (TRECs) present in recent thymic emigrants, it has been conclusively shown that thymopoiesis persists in most adults, but that functional output decreases with age, influencing the maintenance of a diverse and functional T cell receptor (TCR) repertoire. Space flight has been shown to result in a variety of phenotypic and functional changes in human T cells and in the reactivation of latent viruses. While space flight has been shown to influence thymic architecture in rodents, thymopoiesis has not previously been assessed in astronauts...
August 4, 2016: JCI Insight
https://www.readbyqxmd.com/read/27686709/improving-the-text-classification-using-clustering-and-a-novel-hmm-to-reduce-the-dimensionality
#19
A Seara Vieira, L Borrajo, E L Iglesias
In text classification problems, the representation of a document has a strong impact on the performance of learning systems. The high dimensionality of the classical structured representations can lead to burdensome computations due to the great size of real-world data. Consequently, there is a need for reducing the quantity of handled information to improve the classification process. In this paper, we propose a method to reduce the dimensionality of a classical text representation based on a clustering technique to group documents, and a previously developed Hidden Markov Model to represent them...
November 2016: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/27632869/can-temperate-water-immersion-effectively-reduce-rectal-temperature-in-exertional-heat-stroke-situations-a-critically-appraised-topic
#20
Tyler T Truxton, Kevin C Miller
Clinical Scenario Exertional heat stroke (EHS) is a medical emergency which, if left untreated, can result in death. The standard of care for EHS patients includes confirmation of hyperthermia via rectal temperature (Trec) and then immediate cold-water immersion (CWI). While CWI is the fastest way to reduce Trec,(1,2) it may be difficult to lower and maintain water bath temperature in the recommended ranges (1.7°C-15°C [35°F-59°F])(1) because of limited access to ice and/or the bath being exposed to high ambient temperatures for long periods of time...
August 24, 2016: Journal of Sport Rehabilitation
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